Move LayoutDeprecatedFlexibleBox-specific line handling.

third_party/WebKit/Source/core/layout/LayoutBlock.h

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2007 David Smith (catfish.man@gmail.com)
  * Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010 Apple Inc. All rights reserved.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
@@ skipping 191 matching lines @@
 
     LayoutUnit blockDirectionOffset(const LayoutSize& offsetFromBlock) const;
     LayoutUnit inlineDirectionOffset(const LayoutSize& offsetFromBlock) const;
 
     LayoutBlock* blockBeforeWithinSelectionRoot(LayoutSize& offset) const;
 
     void setSelectionState(SelectionState) override;
 
     LayoutRect logicalRectToPhysicalRect(const LayoutPoint& physicalPosition, const LayoutRect& logicalRect) const;
 
-    // Helper methods for computing line counts and heights for line counts.
-    RootInlineBox* lineAtIndex(int) const;
-    int lineCount(const RootInlineBox* = nullptr, bool* = nullptr) const;
-    int heightForLineCount(int lineCount);
-    void clearTruncation();
-
     LayoutBoxModelObject* virtualContinuation() const final { return continuation(); }
     bool isAnonymousBlockContinuation() const { return continuation() && isAnonymousBlock(); }
     LayoutInline* inlineElementContinuation() const;
 
     using LayoutBoxModelObject::continuation;
     using LayoutBoxModelObject::setContinuation;
 
     static LayoutBlock* createAnonymousWithParentAndDisplay(const LayoutObject*, EDisplay = BLOCK);
     LayoutBlock* createAnonymousBlock(EDisplay display = BLOCK) const { return createAnonymousWithParentAndDisplay(this, display); }
 
@@ skipping 286 matching lines @@
     // FIXME: This is temporary as we move code that accesses block flow
     // member variables out of LayoutBlock and into LayoutBlockFlow.
     friend class LayoutBlockFlow;
 };
 
 DEFINE_LAYOUT_OBJECT_TYPE_CASTS(LayoutBlock, isLayoutBlock());
 
 } // namespace blink
 
 #endif // LayoutBlock_h